Home / 7,260,015.40-10,890,023.10-5,370,447.40

Finding the Fourth Proportional to 7,260,015.40, 10,890,023.10 and 5,370,447.40

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Solution

The fourth proportional to 7,260,015.40, 10,890,023.10 and 5,370,447.40 is: 8,055,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,015.40 : 10,890,023.10 = 5,370,447.40 : x
  2. Step 2: Convert to fraction form
    7,260,015.40/10,890,023.10 = 5,370,447.40/x
  3. Step 3: Cross multiply
    7,260,015.40x = 10,890,023.10 × 5,370,447.40
  4. Step 4: Simplify right side
    7,260,015.40x = 58,484,296,243,334.95
  5. Step 5: Solve for x
    x = 58,484,296,243,334.95/7,260,015.40
  6. Step 6: Final answer
    x = 8,055,671.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.